# Shelfmate vs Bookflow

The clearest difference is in-app purchases: Shelfmate at none against Bookflow's 2. Bookflow's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (15.6 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. Bookflow sells 2 in-app purchases, starting at $5.99 per month. Shelfmate asks for nothing beyond the download.

Shelfmate ships an update every 3 weeks, Bookflow every 5 days. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Shelfmate | Bookflow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 3 MB | 70 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mario Mouris](https://appshunter.io/developer/1376063231) | [OMER ASLAN](https://appshunter.io/developer/1792492953) |

## What reviewers say

### Shelfmate

[App page](https://appshunter.io/ios/app/shelfmate-book-tracker/id6739967392)

Organize your personal library, track reading progress, and receive personalized book suggestions. This app prioritizes user privacy with secure iCloud storage and no analytics.

**Highlights:** Organize physical, eBook, and audiobook libraries, Track reading progress, AI-powered book recommendations, Goodreads import, Privacy-first data storage, iCloud synchronization

**In-app purchases:** none


### Bookflow

[App page](https://appshunter.io/ios/app/bookflow-your-library/id6741000384)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bookflow Pro - Monthly | $5.99 | per month |
| Bookflow Pro - Yearly | $49.99 | per year |


## Frequently asked questions

### Is Shelfmate free?

Shelfmate is free to download, with no in-app purchases.

### Is Bookflow free?

Bookflow is free to download, with in-app purchases available.

### Do Shelfmate or Bookflow have ads?

Neither Shelfmate nor Bookflow shows ads.

### Which is updated more often, Shelfmate or Bookflow?

Shelfmate ships an update every 3 weeks, and Bookflow every 5 days. Most recently, Shelfmate was updated on October 21, 2026 and Bookflow on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*